CN213071542U

CN213071542U - Waterproof plug cord

Info

Publication number: CN213071542U
Application number: CN202022439901.4U
Authority: CN
Inventors: 金美都
Original assignee: Zhejiang Anda Wire And Cable Co ltd
Current assignee: Zhejiang Anda Wire And Cable Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-04-27
Anticipated expiration: 2030-10-28

Abstract

The utility model provides a waterproof plug cord belongs to the wire and cable field. It has solved the complicated problem of current plug line structure. The waterproof plug wire comprises a plug and a cable connected with the plug, wherein the plug comprises a cylindrical shell, a sheath is sleeved outside the shell, the left end and the right end of the sheath are respectively in a closed shape and an open shape, the end part of the cable, which is not connected with the plug, extends out through the right port of the sheath, and the left end face of the shell is tightly pressed on the left end face of the sheath; a pressure cap is externally screwed at the right end of the sheath, an annular blocking edge is integrally formed on the pressure cap, and the blocking edge is sleeved outside the cable and tightly pressed on the right end face of the shell; the baffle edge is integrally formed with a sealing ring, the sealing ring is sleeved outside the right end of the shell, the inner wall of the sealing ring is a first conical surface with the diameter gradually reduced from left to right, a second conical surface matched with the first conical surface is arranged on the outer wall of the shell, and the first conical surface and the second conical surface are in close contact to form sealing. This waterproof plug line structure is simple.

Description

Waterproof plug cord

Technical Field

The utility model belongs to the wire and cable field relates to a plug cord, especially a waterproof plug cord.

Background

The plug wire is a connector into which one or more circuit connection wires can be inserted, and is mainly used for connecting circuits among the devices to realize electric connection among the devices. The plug in the existing plug wire is generally directly exposed outside and cannot be used in places with strict requirements on cleaning.

In view of the above problems, the shortcomings have been recognized and improved, for example, a waterproof wiring plug (application number: 2018218406808) disclosed in the chinese patent library includes a sleeve, a plug inserted in the sleeve, a wire connected to a tail end of the plug and passing out of the sleeve, wherein one end of the plug opposite to the wire extends out of the sleeve, and a waterproof cap for covering an end of the plug is detachably sleeved on the sleeve; the waterproof cap is in a round tube shape, one end of the waterproof cap is an open end, and the other end of the waterproof cap is a closed end; one end of the sleeve pipe, which is far away from the waterproof cap, is also provided with a sealing waterproof assembly for fixing the lead.

The plug is provided with the sleeve, the sun-proof cap and the sealing waterproof assembly to form a sealing cavity for placing the plug, so that the plug is prevented from being polluted, but the number of structural parts is large, and the installation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a simple structure's waterproof plug cord.

The purpose of the utility model can be realized by the following technical proposal: a waterproof plug wire comprises a plug and a cable connected with the plug, wherein the plug comprises a cylindrical shell, a sheath is sleeved outside the shell, the left end and the right end of the sheath are respectively in a closed shape and an open shape, and the end part of the cable, which is not connected with the plug, extends out through the right port of the sheath; a pressure cap is externally screwed at the right end of the sheath, an annular blocking edge is integrally formed on the pressure cap, and the blocking edge is sleeved outside the cable and tightly pressed on the right end face of the shell; the baffle edge is integrally formed with a sealing ring, the sealing ring is sleeved outside the right end of the shell, the inner wall of the sealing ring is a first conical surface with the diameter gradually reduced from left to right, a second conical surface matched with the first conical surface is arranged on the outer wall of the shell, and the first conical surface and the second conical surface are in close contact to form sealing.

The outer shell is clamped between the left end face of the sheath and the blocking edge for positioning, so that the plug can be in a free state by externally screwing the cap, and the plug can be conveniently taken out for use.

The blocking edge is tightly pressed on the right end face of the sheath, and the first conical surface and the second conical surface are tightly matched so as to form a sealing path with an approximately L-shaped section at the right end of the sheath, so that the sealing path formed between the sheath and the shell is effectively prolonged, and the sealing effect between the sheath and the shell is enhanced.

This application only needs to rely on plug self shell, pressure cap and sheath, alright with the plug location in a closed cavity to carry out better protection to plug internal circuit, simultaneously, after pressing the cap screw in, the plug location and with press the sealed completion that forms between the cap simultaneously, with effectively reducing the equipment process, have simple structure, convenient to use's advantage.

In foretell waterproof plug cord, seted up the bar groove on the lateral wall of foretell sheath, bar groove length is along sheath axial extension, and the bar groove has a plurality ofly and along sheath circumference interval equipartition to increase sheath surface roughness, with the more firm sheath that grips.

In the waterproof plug wire, the inner diameter of the sheath is larger than the outer diameter of the shell, the positioning ring is integrally formed in the middle of the left end face of the sheath and is positioned in the sheath, the positioning ring and the sheath are coaxial, and the positioning ring is sleeved outside the left end of the shell. The positioning ring is used for pre-positioning the shell, so that the plug can be positioned conveniently.

In foretell waterproof plug cord, the right-hand member hole of holding ring is the taper hole, and taper hole aperture is crescent from left to right. The taper of the taper hole is utilized to guide the insertion of the shell, so that the plug is convenient to install.

In the waterproof plug wire, the U-shaped handle is arranged on the left end face of the sheath and is positioned outside the sheath, and the two ends of the handle are fixedly connected with the sheath, so that the sheath can be held and the plug wire can be conveniently placed.

Compared with the prior art, this waterproof plug cord has following advantage:

1. the blocking edge is tightly pressed on the right end face of the sheath, and the first conical surface and the second conical surface are tightly matched so as to form a sealing path with an approximately L-shaped section at the right end of the sheath, so that the sealing path formed between the sheath and the shell is effectively prolonged, and the sealing effect between the sheath and the shell is enhanced.

2. This application only needs to rely on plug self shell, pressure cap and sheath, alright with the plug location in a closed cavity to carry out better protection to plug internal circuit, simultaneously, after pressing the cap screw in, the plug location and with press the sealed completion that forms between the cap simultaneously, with effectively reducing the equipment process, have simple structure, convenient to use's advantage.

Drawings

Fig. 1 is a schematic view of a waterproof plug cord.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

In the figure, 1, plug; 1a, a shell; 1a1 and a second conical surface; 2. a cable; 3. a sheath; 3a, a positioning ring; 3b, a strip-shaped groove; 4. pressing the cap; 4a, blocking edges; 4b, a sealing ring; 4b1, cone one; 5. a handle.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the waterproof plug wire includes a plug 1 and a cable 2 connected to the plug 1, and the connection manner of the plug 1 and the cable 2 is conventional and will not be described in detail herein.

The plug 1 comprises a cylindrical shell 1a, and a sheath 3 is sleeved outside the shell 1 a. The inner diameter of the sheath 3 is larger than the outer diameter of the housing 1a, and the axes of the sheath 3 and the housing 1a are parallel. As shown in fig. 1, the left and right ends of the sheath 3 are respectively closed and opened, and the end of the cable 2 not connected to the plug 1 extends out through the right port of the sheath 3. The left end face of the shell 1a is tightly pressed on the left end face of the sheath 3, the right end of the sheath 3 is externally screwed with a pressing cap 4, an annular blocking edge 4a is integrally formed on the pressing cap 4, the blocking edge 4a is coaxial with the pressing cap 4, and the blocking edge 4a is sleeved outside the cable 2 and tightly pressed on the right end face of the shell 1 a. The sealing ring 4b is integrally formed on the left side of the blocking edge 4a, the sealing ring 4b is coaxial with the blocking edge 4a, the sealing ring 4b is sleeved outside the right end of the shell 1a, the inner wall of the sealing ring 4b is a conical surface one 4b1 with the diameter gradually decreasing from left to right, a conical surface two 1a1 matched with the conical surface one 4b1 is arranged on the outer wall of the shell 1a, and the conical surface one 4b1 is in close contact with the conical surface two 1a1 to form sealing. At this time, the outer casing 1a is sandwiched between the left end face of the sheath 3 and the blocking edge 4a, and the blocking edge 4a is tightly pressed on the right end face of the sheath 3, and the tapered surface one 4b1 and the tapered surface two 1a1 are tightly matched, so that a sealing path with a roughly L-shaped cross section is formed at the right end of the sheath 3, and the sealing path formed between the sheath 3 and the outer casing 1a is effectively prolonged, so that the sealing effect between the sheath 3 and the outer casing 1a is enhanced.

Further, as shown in fig. 1 and 2, a positioning ring 3a is integrally formed in the middle of the left end face of the sheath 3, the positioning ring 3a is located in the sheath 3, the positioning ring 3a is coaxial with the sheath 3, and the positioning ring 3a is sleeved outside the left end of the housing 1 a. The positioning ring 3a is used for prepositioning the shell 1a, so that the plug 1 can be conveniently positioned. The right-hand member hole of preferred holding ring 3a is the taper hole, and taper hole aperture is grow gradually from left to right to utilize the taper hole tapering, insert to shell 1a and lead, the installation of plug 1 of being convenient for.

As shown in fig. 1, a strip-shaped groove 3b is formed in the outer side wall of the sheath 3, the length of the strip-shaped groove 3b extends along the axial direction of the sheath 3, and the strip-shaped groove 3b is multiple and is uniformly distributed along the circumferential direction of the sheath 3 at intervals so as to increase the roughness of the outer surface of the sheath 3 and firmly hold the sheath 3. The left end face of the sheath 3 is provided with a U-shaped handle 5, the handle 5 is positioned outside the sheath 3, and two ends of the handle 5 are fixedly connected with the sheath 3, so that the sheath 3 can be held, and the plug 1 can be conveniently placed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A waterproof plug cord comprises a plug (1) and a cable (2) connected with the plug (1), wherein the plug (1) comprises a cylindrical shell (1a), a sheath (3) is sleeved outside the shell (1a), the left end and the right end of the sheath (3) are respectively in a closed shape and an open shape, and the end part of the cable (2) which is not connected with the plug (1) extends out through the right end opening of the sheath (3), and is characterized in that the left end surface of the shell (1a) is tightly pressed on the left end surface of the sheath (3); a pressure cap (4) is externally screwed at the right end of the sheath (3), an annular blocking edge (4a) is integrally formed on the pressure cap (4), and the blocking edge (4a) is sleeved outside the cable (2) and tightly pressed on the right end face of the shell (1 a); keep off along (4a) left side integrated into one piece and have sealing ring (4b), sealing ring (4b) cover is outside shell (1a) right end, and the inner wall of sealing ring (4b) is conical surface one (4b1) that the diameter is progressively dwindled from left to right, is equipped with conical surface two (1a1) that matches with conical surface one (4b1) on the outer wall of shell (1a), and conical surface one (4b1) and conical surface two (1a1) in close contact with form sealed.

2. The waterproof plug cord according to claim 1, wherein the outer side wall of the sheath (3) is provided with a plurality of strip-shaped grooves (3b), the length of each strip-shaped groove (3b) extends along the axial direction of the sheath (3), and the plurality of strip-shaped grooves (3b) are uniformly distributed at intervals along the circumferential direction of the sheath (3).

3. The waterproof plug cord according to claim 1 or 2, wherein the inner diameter of the sheath (3) is larger than the outer diameter of the housing (1a), a positioning ring (3a) is integrally formed in the middle of the left end face of the sheath (3), the positioning ring (3a) is positioned in the sheath (3), the positioning ring (3a) and the sheath (3) are coaxial, and the positioning ring (3a) is sleeved outside the left end of the housing (1 a).

4. The waterproof plug cord according to claim 3, characterized in that the inner hole at the right end of the positioning ring (3a) is a taper hole, and the diameter of the taper hole gradually increases from left to right.

5. The waterproof plug wire according to claim 1, wherein a U-shaped handle (5) is provided on the left end surface of the sheath (3), the handle (5) is located outside the sheath (3), and both ends of the handle (5) are fixedly connected to the sheath (3).